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Head to Head. Ace 250 and Whites Prizm 2

C

candcantiques

New member
Well my hunting buddy and I went to the beach for a few hours today. This is what happened pitting the Ace 250 side by side against the Prizm 2.Keep in mind any time his Ace went off I scanned it BEFORE he dug. If The Prizm went off he scaned BEFORE I dug. Settings on both machines were as much the same as we could make them.

Dry sand- No discrimination (lowest possible) sensitivity high as it goes.

Prizm went off said it was a penny. Ace confirmed penny. It was a penny. Tie game

Ace went off said it was foil. Prizm said nothing at all. It was a ketchup packet. Ok Prizm wins. I don't like digging ketchup packets.

Nothing for quite a while till we turned around to head back up the beach in the wet sand.

Wet sand--Ace no discrimination, sensitivity at 3 bars showing. Prizm had to discriminate out nails and foil for it to work at all. Otherwise the entire beach was one big piece of metal. Sensitivity set at 4 bars showing

Prizm got the first hit but was intermittent. Sometimes penny sometimes foil silently. Would "ding" every other pass. Ace "ding ding ding" EVERY time Penny. It was a penny. Ace wins

5 feet later exact same scenario on both machines it was another penny. Ace wins again

Up to this point we had not tried to use the pinpoint feature on either machine.

Back to dry sand again. Reset setting same as before in dry sand.

Ace goes off says dime. Prizm Says Penny. Pinpointing set the spot 1 1/2" different from each other. Ace was right on target and it was a dime. Ace wins

2 feet later exact same thing again. Ace was right on target and was right about the object. Prizm was wrong again about object and spot.

Now I sit here and wonder what I might have missed because I didn't take my Ace 250.
 
I have to add this. When I purchased the Prizm 2 it didnt have a battery door. I emailed Whites about a replacement. They emailed me back in less than ten minutes saying they would send me one right out, free of charge, if Id give them my name and address. Just arrived today and fit like a glove. Whites has service second to none. I may not like the Prizm 2 but they have got FANTASTIC service.
 
One other thing that I am hoping someone can help me with. On both the Prizm 2 and the brand new red Coinmaster every once in a while once the detectors identify a target they get stuck on that target ID and wont move unless I turn the machine off then back on. Has anyone else experienced this. Its strange because both machines do it.
 
As I have stated, bot in person, on forums and when I have been down at White's, I haven't been the biggest fan of the Prizms, especially initially,. Why? Because I preferred the very good performance of the Classic series that they essentially replaced, for one, and because they have that delayed response time. In addition, I noted early on that the Prizm's might have a GB that was a bit too positive or a bit too negative. I could pick up a Prizm II or III or IV at a dealer's shop or White's showroom and demonstrate a difference from one model to the next with regard to the Disc. mode or All Metal mode GB.

Note: I said early on.

Since that time the Prizm II has been dropped and I am sure they might have made some running changes as to how they set-up the calibration on them. I can say that I have tried to hep a local or two with heir early Prizm and noted that the GB was 'off' from an optimum setting. To be honest, here in our rather mineralized NW Oregon dirt most Ace 250's also are not optimum, either.

Over the last year I haven't had a problem with one, and my Coinmaster works fine in most places I usually hunt, and I've compared it with Ace 250's at several locations around Oregon. Still not the coastal beaches, but some challenging places.

What I am saying is that you might have a Prizm II that could use some Ground Balance setting attention. Perhaps, if you got it used, someone tinkered with it before and that might account for the performance you got? The beauty of the Prizm series is that while the two modes are not tied together (like the excellent Classic series :) ), you do have the provision to tweak the GB. It might be an idea to send it off to White's and ask them to heck and recalibrate you Prizm II since you have something to use in the meant-me.

Just a thought.

Monte
 
Monte:

Is it possible to make midifications on any of the Prizms
the way Bill did on the Classics? Seems to me someone knowledgable
could tinker with them and make them a worthwhile detector.
Katz
 
Just a quick stop-in at home for a late lunch break. More detecting to do! :) I did make it a point to hit a site with some really nasty mineralization earlier just to side-by-side the Ace 250 and Coinmaster. Both displayed a slightly positive GB in the All Metal/Pinpoint mode, but I noted that BOTH of them had what appeared to be a slightly negative GB. It was noticeable because when in an "all metal accept/non-rejection" setting, both would beep on the UPLIFT of the coil

I am going to have to see about tweaking the Coinmaster because the particular site was so challenging that neither of them would produce a "proper" TID on a surface 1
 
Not trying to hijack this thread but wanted to say that I always seems to learn something by reading Monte's posts. Monte said & I didn't know Quote - Instead, I locked the toggle before I turned them on which fires them up with a ground phase setting (GB) of '83.'

I have a M6 comming soon and as soon as weather permits here in upstate New York I will be out trying it. I am guessing that "83" is sort of a "average" g.b. level.

As far as the Ace 250 and Whites Prizm 2, I have used them both and they seem to work about the same in my ground but I could not handle the belltone sounds the Ace makes. Steve.
 
Monte:

So to quote you > the Ace 250 and Coinmaster are both very likely to satisfy them. They are what they are and are some of the best-buys for the $$$.<
So really it boils down to this...they are what they are, good machines for the money and an ocassional day out in the field so lets be greatful for that. So lets
not tinker with them. Ok then

Also > am going to have to see about tweaking the Coinmaster because the particular site was so challenging that neither of them would produce a "proper" TID on a surface 1
 
Monte said:
n/t
Click to expand...
Thanks Monte, really appreciate it. You probably have my email address but if not its sprice@premierwireless.us Thanks again. Steve.
 
I agree - one always learns from reading Monte's posts. As to the Prizm series, I had a Prizm IV that gave good depth, pretty accurate ID in the ground I generally hunt and for the most part I liked its features. However, it had just enough pause in its response and retune time that coming from the quick response of my Tesoro machines I found it frustrating to hunt and especially to pinpoint with, so I traded it.
BB
 
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